<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			#a{
				width: 100px;
				height: 100px;
				border: solid #87CEEB 1px;
				position: relative;
				top:10px;
			}
		/* 	#b{
				width: 100px;
				height: 100px;
				border: solid #87CEEB 1px;
				position: relative;
				left: 20px;
				bottom: 10px;
			} */
			li{
				float:left;
				width: 10px;
				border: 1px solid #87CEEB;
				display: inline-block;
				
			}
			#c{
				text-align: center;
				width: 100px;
				height: 100px;
				border: solid #87CEEB 1px;
				position: relative;
				top: 10px;
			}
		</style>
	</head>
	<body>
		<div id="a">
			1
		</div>
		<div id="b">
			<li>1</li>
			<li>2</li>
			<li>3</li>
			<li>4</li>
		</div>
		<div id="c">
			3
		</div>
	</body>
</html>
